During past month or more postings are not successfully reaching subscribers who use gmail or google apps. The error reported is:
host aspmx.l.google.com[74.125.142.26] said:
550-5.7.1 [xxx.xxx.xxx.xxx 11] Our system has detected that this
message is 550-5.7.1 not RFC 2822 compliant. To reduce the amount of spam
sent to Gmail, 550-5.7.1 this message has been blocked. Please review 550
5.7.1 RFC 2822 specifications for more information. pp8si350824icb.106 -
gsmtp (in reply to end of DATA command)
Mail has been delivered to these subscribers without incident for years. No recipients on other domains get a similar error.
Has anybody else been encountering this problem? Do you have some suggestions?
Google has a reference page: https://support.google.com/mail/answer/81126#authentication about the reported error.
Thanks,
Barry Krawchuk
NYS Dept Health